EP2395676A1 - Verbinder zur Nebensprechreduzierung und Kontaktkonfigurierung in einem Kommunikationssystem - Google Patents

Verbinder zur Nebensprechreduzierung und Kontaktkonfigurierung in einem Kommunikationssystem Download PDF

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Publication number
EP2395676A1
EP2395676A1 EP11180114A EP11180114A EP2395676A1 EP 2395676 A1 EP2395676 A1 EP 2395676A1 EP 11180114 A EP11180114 A EP 11180114A EP 11180114 A EP11180114 A EP 11180114A EP 2395676 A1 EP2395676 A1 EP 2395676A1
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EP
European Patent Office
Prior art keywords
pair
conductors
contacts
conductor
connector
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Granted
Application number
EP11180114A
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English (en)
French (fr)
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EP2395676B1 (de
Inventor
Antoine Pelletier
Luc Milette
Michel Bohbot
Gavriel Vexler
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Belden CDT Canada Inc
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Belden CDT Canada Inc
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Publication date
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Publication of EP2395676A1 publication Critical patent/EP2395676A1/de
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Publication of EP2395676B1 publication Critical patent/EP2395676B1/de
Not-in-force legal-status Critical Current
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6477—Impedance matching by variation of dielectric properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot

Definitions

  • the present invention relates to a crosstalk reducing conductor and contact configuration in a communication system.
  • the present invention relates to positioning emitting a receiving conductive paths in a communication system in order to reduce NEXT, FEXT, Alien NEXT, Alien FEXT and increase Signal to Noise Ratio (SNR).
  • SNR Signal to Noise Ratio
  • Assemblies for transmitting telecommunications signals at high frequencies via twisted pairs of conductors currently use a variety of means, such as shielding and the like to ensure that the interfence (such as Alien NEXT) between adjacent cables and connectors in a system is minimised.
  • interfence such as Alien NEXT
  • These prior art systems typically suffer from the drawback that the reduction in Alien NEXT between adjacent cables and connectors is insufficient for data transfers at and above 10 gigabits per second.
  • existing designs for ports (or jacks) are sufficient to achieve only about a 55dB SNR. which is insufficient to meet the proposed 70dB SNR necessary for the proposed 10gig development standard.
  • each of the cables comprised of a pair of conductors
  • the method comprises the steps of providing a first contact interconnected with a first conductor of the pair of conductors of the first cable, wherein the first contact emits a first signal, proving a pair of contacts, each of the pair of contacts interconnected with a different conductor of the pair of conductors of the second cable, and positioning the first contact relative to the pair of contacts such that an amplitude of the signal received at one of the second pair of contacts is substantially the same as an amplitude of the signal received at another of the second pair of contacts.
  • the method comprises the steps of providing a pair of contacts, each of the pair of contacts interconnected with a different conductor of the pair of conductors of the first cable, wherein one of the pair of contacts emits a first signal which is substantially an Inverse of a second signal emitted by another of the pair of contacts, providing at least one first contact interconnected with one of the pair of conductors of the second cable, and positioning the pair of contacts relative to the first contact such that an amplitude of the first signal received by the first contact is substantially opposite to an amplitude of the second signal received by the first contact.
  • an assembly for terminating first and second cables in a telecommunications system each of the cables comprising first and second conductors, the assembly comprising a first contact interconnected with the first conductor of the first cable, wherein the first contact emits a first signal, and a pair of contacts interconnected with a respective one of the first and second conductors of the second cable.
  • the first contact is positioned relative to the pair of contacts such that an amplitude of the first signal received at one of the pair of contacts is substantially the same as an amplitude of the first signal received at another of the pair of contacts.
  • an assembly for terminating first and second cables in a telecommunications system each of the cables comprising a pair of conductors, the assembly comprising a pair of contacts interconnected with the pair of conductors of the first cable, wherein one of the pair of contacts emits a first signal which is substantially an inverse of a second signal emitted by another of the pair of contacts, and a first contact interconnected with a first conductor of the pair of conductors of the second cable.
  • the pair of contacts is positioned relative to the first contact such that an amplitude of the first signal received by the first contact is substantially opposite to an amplitude of the second signal received by the second contact.
  • each of the cables comprising a pair of conductors
  • the assembly comprising a first substantially flat contact interconnected with one of the pair of conductors of the first cable, and a second substantially flat contact Interconnected with one of the pair of conductors of the second cable, wherein the first contact is arranged at right angles to the second contact.
  • an assembly for terminating first and second cables in a telecommunications system each of the cables comprising a pair of conductors, the assembly comprising a first contact interconnected with one of the pair of conductors of the first cable, and a pair of contacts interconnected with a respective one of the pair of conductors of the second cable, the pair of contacts positioned symmetrically about the first contact.
  • a connector for terminating a cable comprising first and second pairs of conductors, the connector comprising a first contact interconnected with a conductor of the first pair of conductors, and a pair of contacts interconnected with a respective one of the second pair of conductors, the pair of contacts positioned symmetrically about the first contact.
  • a connector for terminating a cable comprising first and second pairs of conductors, the connector comprising a first substantially flat contact interconnected with a conductor of the first pair of conductors, and a second substantially flat contact interconnected with a first conductor of the second pair of conductors, the first flat contact substantially at right angles to the second flat contact.
  • the method comprises the steps of providing a first transmission path comprised of at least one conductor, the first conductor emitting a signal, providing a second transmission path comprised of a second pair of conductors, positioning the first conductor relative to the second pair of conductors such that an amplitude of the signal received at one of the second pair of conductors is substantially the same as an amplitude of the signal received at another of the second pair of conductors.
  • the method comprises the steps of providing a first transmission path comprised of a first conductor, providing a second transmission path comprised of pair of conductors, wherein one of the pair of conductors emits a first signal which is substantially an inverse of a second signal emitted by another of the pair of conductors, and positioning the pair of conductors relative to the first conductor such that an amplitude of the first signal received by the first conductor is substantially opposite to an amplitude of the second signal received by the first conductor.
  • an assembly for transmitting data comprising a first transmission path comprised of a first conductor, the first conductor emitting a first signal, and a second transmission path comprised of a pair of conductors.
  • the first conductor is positioned relative to the pair of conductors such that an amplitude of the first signal received at one of the pair of conductors is substantially the same as an amplitude of the first signal received at another of the pair of conductors.
  • an assembly for transmitting data comprising a first transmission path comprised of a first conductor, and a second transmission path comprised of pair of conductors, wherein one of the pair of conductors emits a first signal which is substantially an inverse of a second signal emitted by another of the pair of conductors, wherein said first conductor is positioned relative to the pair of conductors such that an amplitude of the first signal received by the first conductor is substantially opposite to an amplitude of the second signal received by the first conductor.
  • a data transmission cable comprising a first conductor, a pair of conductors arranged in parallel to the first conductor, and a cable jacket surrounding the first conductor and the pair of conductors. A distance between the first conductor and each of the pair of conductors is substantially the same.
  • a data transmission cable comprising first pair of parallel conductors aligned on a first plane, and a second pair of conductors aligned on a second plane.
  • the first plane is substantially at right angles to the second plane and the first plane intersects the second plane along an axis substantially between the second pair of conductors.
  • a separator spline for separating pairs of conductors in a communication cable, the spline comprising an elongate main portion having four sides, and a conductive pair receiving slot moulded lengthwise in each side of the main portion.
  • the moulded main portion has fylfot cross shaped transverse cross section.
  • Figures 1A through 1C provide transverse cross sectional views of conductors in accordance with an illustrative embodiment of the present invention
  • Figures 2A and 2B provide transverse cross sections of emitting and receiving conductors in accordance with an illustrative embodiment of the present invention
  • Figures 3A through 3C provide transverse cross sections of conductor configurations in accordance with an alternative and first and second illustrative embodiments of the present invention
  • Figures 4A and 4B provide transverse cross sections of cable configurations in accordance with third and fourth alternative illustrative embodiments of the present invention
  • Figure 5 provides a side perspective view of a connector jack and cable in accordance with a fifth alternative illustrative embodiment of the present invention
  • Figure 6 provides a side plan view of a twisted pair cable connected to the connector jack rear panel of Figure 5 ;
  • FIG. 7 schematically illustrates the general electromagnetic radiation pattern generated by a standard Insulation Displacement Connector (IDC) in the presence of an electric potential;
  • IDC Insulation Displacement Connector
  • Figures 8A and 8B schematically illustrate connector configurations for reduced ANEXT and AFEXT in accordance with sixth and seventh alternative illustrative embodiments of the present invention
  • Figure 9 schematically illustrates alternative balanced pair configurations for reduced crosstalk in accordance with a series of alternative illustrative embodiments of the present invention:
  • Figure 10 schematically illustrates alternative connector or port configurations for reduced crosstalk in accordance with a series of alternative illustrative embodiments of the present invention.
  • Figure 11 schematically illustrates a possible periodic connector configuration for reduced ANEXT and AFEXT in accordance with an illustrative embodiment of the present invention.
  • this coupling effect can be further exacerbated, in cases where an emitting conductor 12 comprises a substantially flat transverse cross section, as a parasitic signal 14 generated by signals propagating along the conductor 12 is emitted in a concentrated region generally perpendicular to the long surfaces 16 of the flat conductor 12.
  • a second conductor 18 which finds itself located opposite one of the long surfaces 16 will be subjected to an increased parasitic signal 14.
  • a third conductor 20 located outside of the main lobe of the parasitic signal 14 will be subject to a reduced electromagnetic field with a subsequent reduction in the coupling effect and noise induced by signals propagating along the flat conductor 12.
  • balanced pairs of conductors 22 are used to propagate differential signals, with a first conductor 24 propagating a signal which is essentially the inverse of a signal propagated by a second conductor 26. These inverse signals give rise to first and second differential parasitic signals 28 and 30 being emitted by the conductors 24, 26. As a result, a third conductor 32 positioned in parallel and adjacent to the balanced pair 22 will receive the differential parasitic signals 28 and 30.
  • the third conductor 32 By positioning the third conductor 32 such that the strengths (power) of the first parasitic signal 28 and the second parasitic signal 30 as received by the third conductor 32 are substantially the same, for example by placing the third conductor 32 such that the conductors 24, 26 are symmetrical about the third conductor 32 (or in other words by placing the third conductor 32 such that it is equidistant to either of the conductors 24, 26), the amplitudes of the received first and second parasitic signals 28, 30 at any point in time will be opposite, giving rise to a cancelling effect in the third conductor 32. A similar effect will arise in a fourth conductor 34 (positioned in parallel and adjacent to the balanced pair 22) which is also positioned such that the strengths received first and second parasitic signals 28, 30 are substantially the same.
  • first balanced pair 36 comprised of a first conductor 38 and a second conductor 40 give rise to first and second parasitic signals 42, 44 being emitted by the conductors 38, 40.
  • third and fourth conductors 46, 48 which are arranged in parallel to the first and second conductors 38, 40 receive these parasitic signals 42, 44.
  • the third and fourth conductors 46, 48 are of the same balanced pair 50, by positioning the third and fourth conductors 46.
  • the above generally described configurations can be taken advantage of in a number of implementations, some of which are described hereinbelow, in particular in the cases of transmission paths within cables and on PCBs and through connector interface assemblies.
  • the above generally described configurations can be taken advantage either within a transmission path (for example in a transmission cable comprised of four balanced pairs of conductors), in order to reduce cross talk such as NEXT and FEXT, or between transmission paths (such as between adjacent connectors terminating different cables each comprised of four pairs of conductors), in order to reduce Alien cross talk such as ANEXT and AFEXT.
  • a cable 52 in accordance with an illustrative embodiment of the present invention comprises four (4) balanced pairs of conductors as in 54.
  • the conductors as in 56 of adjacent balanced pairs as in 54 are oriented such that the noise induced by the conductor(s) of one balanced pair on the conductor(s) of an adjacent balanced pair is either differential and effectively cancelled, or common and thus is compensated for.
  • this effect can be further enhanced by providing conductors as in 56 having an elongate transverse cross section, and ensuring that the conductors as in 56 of a first balanced pair are arranged such that they are not within the main lobe of the parasitic signals emitted by the conductor(s) of an adjacent balanced pair.
  • a PCB 62 (viewed in transverse cross section) in accordance with in a second illustrative embodiment of the present Invention is shown.
  • a similar effect can be applied in the case of the PCB 62 by arranging balanced pairs of conductors as in 64, each comprised of typically two (2) conductive traces as in 66 etched in the PCB 62, such that the noise induced by the conductor(s) of one balanced pair on the conductor(s) of an adjacent balanced pair is either differential and effectively cancelled, or common and compensated for.
  • the conductive traces are typically flat (or rectangular)
  • further improvements can be obtained by ensuring that the conductive traces as in 66 of an adjacent balanced pair are not intersected by a line 68 which is perpendicular (or normal) to the long transverse surface(s) as in 70 of a conductive trace 66 of an adjacent balanced pair.
  • the PCB 62 as disclosed in Figure 3C is a multilayer PCB comprised of a first layer 72 bonded to a second layer 74, thereby allowing conductive traces as in 66 to be applied along a centre line 76 between the first and second layers 72, 74.
  • an approach similar to the one described hereinabove can be used to reduce cross talk in a cable 78 (again viewed in transverse cross section) where the balanced pairs 80 1 , 80 2, 80 3 , 80 4 of conductors as in 82 are arranged around a central cable axis 84 and all conductors as in 82 are in parallel.
  • the conductors as in 82 are oriented such that the noise induced by the conductors as in 82 of a first balanced pair 80 1 on the conductors as in 82 of an adjacent balanced pair 80 2 or 80 4 is either differential (as in the case of the conductors of balanced pair 80 4 ) and effectively cancelled, or common (as in the case of the conductors of balanced pair 80 2 ) and compensated for.
  • a similar effect will be noted for other adjacent balanced pairs.
  • the conductors as in 82 although all in parallel, may be stranded around the axis 84 such that they follow a helical (or winding) path along the length of the cable 78.
  • a cable 86 (again viewed in transverse cross section) comprised of four balanced pairs 88 1 , 88 2 , 88 3 , 88 4 of conductors as in 90 and in accordance with a fourth illustrative embodiment of the present invention is shown.
  • the conductors as in 90 are positioned relative to one other about a central axis 92 of the cable 86 such that the noise induced by the conductors of a first balanced pair such as pair 88 1 on the conductors of adjacent balanced pairs 88 2 or 88 4 is either differential (as in the case of the conductors of balanced pair 88 4 ) and effectively cancelled, or common (as in the case of the conductors of balanced pair 88 2 ) and compensated for.
  • a similar effect will be noted for other adjacent balanced pairs.
  • the conductors as in 90 are of substantially rectangular (or elongate) transverse cross section, each having two long surfaces as in 94, with the long surfaces of the conductors as in 90 of a given balanced pair 88 1 , 88 2 , 88 3 or 88 4 lying in the same plane when viewed in transverse cross section.
  • the conductors as in 90 of a given balanced pair are oriented such that their long surfaces as in 94 are substantially at right angles to the long surfaces as in 94 of conductors as in 90 of an adjacent balanced pair.
  • each of the four balanced pairs 88 1 , 88 2 , 88 3, 88 4 of conductors as in 90 is manufactured by encasing the conductors as in 90 within an insulation as in 96.
  • the insulation as in 96 as illustrated is of substantially rectangular (or elongate) transverse cross section and is supported, in order to maintain the positioning of the balanced pairs, by a separator spline 98, typically manufactured from a pliable non-conductive insulating material such as plastic, having a substantial fylfot cross shaped transverse cross section.
  • the conductors as in 90 are typically stranded about the axis 92 such that they follow a helical, or winding, path along the length of the cable 86.
  • the assembly comprised of the spline 98 and the four balanced pairs 88 1 , 88 2 , 88 3 , 88 4 of conductors as in 90 would also typically be covered by a cable jacket (not shown).
  • the connector assembly 100 generally refers to modular data transmission connectors having differential (balanced) transmission pairs (usually four (4) pairs).
  • the connector 100 (or jack) provides an interface between two cables; a first cable (not shown) is usually terminated by a plug (also not shown), while a second cable, hereinafter referred to as connector cable 102, connects to the back panel 104 of connector 100, typically through a series of Insulation Displacement Connectors (IDCs) 106, or other connection means of the like.
  • IDCs Insulation Displacement Connectors
  • the connector cable 102 comprises four (4) twisted pairs of conductors 108 contained within an insulating cable jacket 110. As the pairs emerge from jacket 110, they are separated and guided through wire pair guide 112 to respective individual wire connector ports 114, both of which are part of the connector rear panel 104. Ideally, the twisted pairs 108 remain tightly twisted all the way though the wire pair guide 112 in order to minimize induced parasitic capacitances between single wires.
  • the wire pair guide 112, as well as connector port 114. are typically manufactured from an insulating material which provides adequate insulation and shielding between the pairs as they emerge from cable jacket 110, and subsequently between individual conductors of the pairs 108 when they are terminally inserted into the individual connector ports 114.
  • an appropriate set of IDCs 106 or other similar connection means generally comprising a bifurcated end 116 for electrically connecting with individual contact wires 118, and an alongated end 120 for electrically connecting with appropriate jack circuit means, briefly described hereinbelow, reach through the connector ports 114 to make contact with the individual wires 118 of connector cable 102.
  • the signals, transmitted through the IDCs 106 from the individual wires 118, are subsequently brought to a respective one of a plurality of connector blades as in 122 of the jack (for example, an RJ-45 jack) by appropriate jack circuit means for connection with, and transmission to, an appropriate cable plug (not shown).
  • Such a jack circuit means may include a variety of electrical components, such as wires, printed circuit boards (PCB), flexible printed circuit boards (Flex PCB), or any combination thereof.
  • the IDCs connect directly to a Flex PCB (not shown) through the elongated IDC ends 120 and a connecting material such as conductive solder (also not shown).
  • the Flex PCB brings the transmitted signals directly to the connector blades 122 through a circuit printed thereon, which may be designed, if needed, to include various compensation capacitors that counterbalance parasitic reactances induced between the parallel connector blades 122.
  • the IDCs 106 generally induce a certain amount of crosstalk between each other, either within a same connector (NEXT: Near End Crosstalk, FEXT: Far End Crosstalk), or between two adjacent connectors closely positioned together (AFEXT: Alien FEXT, ANEXT: Alien NEXT), which can significantly reduce the quality of the signals transmitted through the connector.
  • NEXT Near End Crosstalk
  • AFEXT Alien FEXT
  • ANEXT Alien NEXT
  • ANEXT Alien NEXT
  • an IDC is made from a small metal conducting plate, figuratively illustrated in Figure 7 as a substantially flat rectangle when viewed in transverse cross section, which can act as an emitting antenna in the presence of an electric potential.
  • a neighbouring, or adjacent IDC may act as a receiving antenna, and thus be affected (or coupled) by the parasitic signal provided by the emittting IDC.
  • the parasitic signal emitted by the disturbing or emitting IDC pair 124 will emit a signal 126 which will be radiated outward in a direction primarily at right angles to a long surface 128, much like a typical antenna, generally following the illustrated radiation pattern 126.
  • the disturbed or receiving IDC pair 130 will thus be affected by the radiated signal 126, and thus be a victim to crosstalk.
  • a first disturbed IDC 132 is located closer to the emitting IDC pair 124 than a second disturbed IDC 134, and as a result the coupling effect will be greater for the first disturbed IDC 132 than the second disturbed IDC 134.
  • the first disturbed IDC 132 will act as a partial shield to the second disturbed IDC 134. Consequently, the parasitic signal induced by the emitting IDC pair 124 on the former will be stronger than the one induced on the latter, generating significant, and generally undesirable, differential mode noise on the receiving pair 130.
  • FIGS. 8A and 8B two novel connector configurations generally represented by respective numerals 136 and 138 will now be described.
  • the configurations 136 and 138 present important improvements over the parallel configuration illustrated in Figure 7 . Namely, the contacts of adjacent pairs (first or nearest neighbour pairs in both in X and Y) are perpendicularly oriented such that the adjacent pair does not lie directly within the main lobes of the signals emitted by the other pair, and vice-versa. This is applicable to both adjacent pairs within the same connector as well as adjacent pairs in adjacent connectors.
  • the residual irradiated signal affecting adjacent pairs will either be symmetrically irradiated to both contacts of such pairs, at worst generating common mode noise of minimal importance, or will be irradiated such that the parasitic signal from one contact will be self-balanced by the parasitic signal of the second contact thus generating no significant resultant noise.
  • first contact pair 140 and second contact pair 142 of a first connector 144 and first contact pair 146 and second contact pair 148 of a second connector 150 can be examined more closely.
  • the first pair configuration (a) is that as utilised in the connector configuration 136 of Figure 8A .
  • the other pair configurations provide a series of examples for reducing crosstalk between pairs, while not necessarily abiding by all of the aforementioned configuration guidelines. For example, (g) and (h) reduce crosstalk between pairs by their perpendicularity alone, whereas (a) and (e) provide reduced crosstalk based on both their mutual perpendicularity and irradiation symmetry.
  • configurations (a) through (f) presented in Figure 10 may be utilised to reduce alien crosstalk between adjacent connectors.
  • the panel configuration of Figure 11 illustrates a two-dimensionally periodic configuration (in X and Y) of contact pairs that both reduces pair-to-pair crosstalk within a same connector, but also between connectors through perpendicularity and symmetry of parasitic signal emission between adjacent balanced pairs both within and between connectors.
  • the present invention also relates to the following subject-matter:

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Communication Cables (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP11180114A 2004-11-17 2005-11-17 Verbinder zur Nebensprechreduzierung und Kontaktkonfigurierung in einem Kommunikationssystem Not-in-force EP2395676B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US62813604P 2004-11-17 2004-11-17
CA002487760A CA2487760A1 (en) 2004-11-17 2004-11-17 Connector and contact configuration therefore
EP05810854A EP1815607B1 (de) 2004-11-17 2005-11-17 Kontaktkonfiguration zur verringerung von übersprechen in einem kommunikationssystem

Related Parent Applications (1)

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EP2395676A1 true EP2395676A1 (de) 2011-12-14
EP2395676B1 EP2395676B1 (de) 2013-03-13

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EP05810854A Not-in-force EP1815607B1 (de) 2004-11-17 2005-11-17 Kontaktkonfiguration zur verringerung von übersprechen in einem kommunikationssystem
EP11180114A Not-in-force EP2395676B1 (de) 2004-11-17 2005-11-17 Verbinder zur Nebensprechreduzierung und Kontaktkonfigurierung in einem Kommunikationssystem

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US (2) US8477928B2 (de)
EP (2) EP1815607B1 (de)
JP (1) JP2008521180A (de)
CN (1) CN101099301A (de)
AT (1) ATE523970T1 (de)
AU (1) AU2005306539A1 (de)
CA (2) CA2487760A1 (de)
MX (1) MX2007005907A (de)
WO (1) WO2006053436A1 (de)

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ATE523970T1 (de) 2011-09-15
US8958545B2 (en) 2015-02-17
CA2588062C (en) 2015-06-30
EP1815607A4 (de) 2007-11-28
AU2005306539A1 (en) 2006-05-26
CN101099301A (zh) 2008-01-02
WO2006053436A1 (en) 2006-05-26
CA2487760A1 (en) 2006-05-17
EP1815607A1 (de) 2007-08-08
US20090225979A1 (en) 2009-09-10
EP1815607B1 (de) 2011-09-07
MX2007005907A (es) 2007-07-19
EP2395676B1 (de) 2013-03-13
US8477928B2 (en) 2013-07-02
JP2008521180A (ja) 2008-06-19
US20130177150A1 (en) 2013-07-11
CA2588062A1 (en) 2006-05-26

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